Multiple Choice
Most open clusters in our Milky Way are about how old?
A) less than a million years old
B) There's no specific age for an open cluster; stars in a single open cluster vary greatly in age.
C) less than a billion years old
D) around ten billion years old
E) a variety of ages, from newly born to twenty billions years old
Correct Answer:
Verified
Correct Answer:
Verified
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